"On behalf of our employees and the Board we appreciate Ed's contributions on the finance team as Controller and interim CFO and wish him well in his return to the construction tool industry where he spent over 20 years of his career," commented Mr. Michael C. MacDonald, Medifast's Chairman and Chief Executive Officer. "We are actively pursuing our previously announced search for a new CFO and look forward to working with Joe on an interim basis as we continue to focus on increasing sales and realizing greater cost efficiencies to help improve our margins and increase earnings long-term."

Mr. Kelleman joined Medifast as Director of Finance – Supply Chain in February 2012 with over 20 years of finance and manufacturing experience. Most recently, Mr. Kelleman was Global Operations Controller – CDIY Business at Stanley Black & Decker, Inc. from 2010 to 2012. While at Stanley Black & Decker, Inc. Mr. Kelleman was Director of Finance – Asian Operations where he had financial oversight for manufacturing in Asia and the global purchasing operations as well as development and review of internal controls, strategic planning, annual budget build, and monthly closing and reporting from 2009 to 2010. Mr. Kelleman was also Director of Finance – NAPT Commercial Operations from 2001 to 2009, Director of Finance – WWPT Manufacturing from 1999 to 2001, and Director of Finance – North American Manufacturing from 1997 to 1999.

As previously announced on November 13, 2012 the Company has engaged an executive recruiting firm to conduct a search for a new chief financial officer.

MED-F

About Medifast

Medifast (NYSE: MED) is the leading easy-to-use, clinically proven, portion-controlled weight-loss program. The company sells its products and programs via four unique distribution channels: 1) the web and national call centers, 2) the Take Shape For Life personal coaching division, 3) Medifast Weight Control Centers, and 4) a national network of physicians. Medifast was founded in 1980 and is located in Owings Mills, Maryland. For more information, log onto www.MedifastNow.com.

Forward Looking Statements

Please Note: This release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally can be identified by use of phrases or terminology such as "intend" or other similar words or the negative of such terminology. Similarly, descriptions of Medifast's objectives, strategies, plans, goals or targets contained herein are also considered forward-looking statements. Medifast believes this release should be read in conjunction with all of its filings with the United States Securities and Exchange Commission and cautions its readers that these forward-looking statements are subject to certain events, risks, uncertainties, and other factors. Some of these factors include, among others, Medifast's inability to attract and retain independent Associates and Members, stability in the pricing of print, TV and Direct Mail marketing initiatives affecting the cost to acquire customers, increases in competition, litigation, regulatory changes, and its planned growth into new domestic and international markets and new channels of distribution. Although Medifast believes that the expectations, statements, and assumptions reflected in these forward- looking statements are reasonable, it cautions readers to always consider all of the risk factors and any other cautionary statements carefully in evaluating each forward-looking statement in this release, as well as those set forth in its latest Annual Report on Form 10-K and Quarterly Report on Form 10-Q, and other filings filed with the United States Securities and Exchange Commission, including its current reports on Form 8-K. All of the forward-looking statements contained herein speak only as of the date of this release.